Records of the Geological Survey of India, Volume 129, Parts 2-3The Survey, 1994 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 67
... grained granite Coarse grained bt - hbl granite and intrusive , unfoliated charnockite Foliated pegmatite Gneissic foliated charnockite Migmatitic hbl - bt gneiss ( tonalitic to granodior- itic ) II . GEOLOGY Migmatitic hornblende ...
... grained granite Coarse grained bt - hbl granite and intrusive , unfoliated charnockite Foliated pegmatite Gneissic foliated charnockite Migmatitic hbl - bt gneiss ( tonalitic to granodior- itic ) II . GEOLOGY Migmatitic hornblende ...
Page 212
... grained khaki to light yellow to bluish grey to greyish green sandstone to siltstone containing pebbles & granules of quartz , quartzite , gneiss , etc. with a thin light greyish green friable shale band . The Barakar Formation consists ...
... grained khaki to light yellow to bluish grey to greyish green sandstone to siltstone containing pebbles & granules of quartz , quartzite , gneiss , etc. with a thin light greyish green friable shale band . The Barakar Formation consists ...
Page 30
... grained intrusive granitic rocks , some of which have yielded early Proterozoic . The present work envisages to find out the extent of acid volcanics NNW of Pallahara upto the closure of Iron Ore Synclinorium , to ascertain its relation ...
... grained intrusive granitic rocks , some of which have yielded early Proterozoic . The present work envisages to find out the extent of acid volcanics NNW of Pallahara upto the closure of Iron Ore Synclinorium , to ascertain its relation ...
Contents
Stratigraphy Division | 11 |
Central Petrological Laboratories | 26 |
Geodata and Database Division | 43 |
Copyright | |
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acid volcanics aeromagnetic amphibolite analysis anomaly bands Barakar Barakar Formation Barren Measure basemetal basin belt Bihar biotite block boreholes charnockite Chhotanagpur clay coal seams Coalfield coarse Code core covered depth district Division drilling dykes east eastern faults field season foliation geochemical GEOLOGICAL MAP geophysical GEOTECHNICAL INVESTIGATION Ghosh gneiss gneissic gold Gondwana grade grained granite granite gneiss grey ground evaluation heavy minerals India indicated intersected intrusives Kamthi laterite limestone lineament located Madhya Pradesh magnetic mica schist migmatite mineralisation NW-SE occur Orissa OVERVIEW pegmatite phyllite plagioclase Pradesh programme Project Proterozoic Purulia Purulia district quartz quartz veins quartzite Raniganj REGIONAL EXPLORATION river samples sand sandstone scale schist seam zones sector sediments sequence shale shear zone Sikkim Singhbhum soil sq km sq.km STAGE GEOTECHNICAL INVESTIGATION strike length structure sulphide survey Talchir terrain thickness tion Toposheet trending ultramafic upto varies West Bengal